Positive-working radiation-sensitive mixture and recording mater

Details Positive-working radiation-sensitive mixture and recording mater Positive-working radiation-sensitive mixture and recording mater

1991-05-01

1993-10-26

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430189, 430191, 430192, 430193, 534556, 534557, 534560, 534561, 534565, G03F 7022, G03F 7023

Patent

active

052565173

ABSTRACT:
A positive-working radiation-sensitive mixture is described which essentially contains a photoactive component and a water-insoluble binder which is soluble, or at least swellable, in aqueous alkaline solution, wherein a compound is used, as photoactive component, which contains .alpha.-diazo-.beta.-keto ester units and sulfonate units of the formula I ##STR1## in which R.sup.1 and R.sup.2, independently of one another, are an unsubstituted or substituted aliphatic, cycloaliphatic, araliphatic or aromatic radical having 4 to 20 carbon atoms, it being possible for individual CH.sub.2 groups to be replaced by oxygen or sulfur atoms or by N or NH groups and/or contain keto groups,

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